NCP1230 ON Semiconductor, NCP1230 Datasheet - Page 6

• Manufacturer Part Number: NCP1230
• Description: Fixed Frequency Controller Featuring Pfc Go To Standby Function
• Manufacturer: ON Semiconductor

4. Verified by Design.
ELECTRICAL CHARACTERISTICS
V
Internal Oscillator
Internal Ramp Compensation
Feedback Section
Protection
Oscillation Frequency, 65 kHz Version (V
Oscillation Frequency, 100 kHz Version
Oscillation Frequency, 133 kHz Version
Internal Modulation Swing, in Percentage of F
Internal Swing Period (Note 4)
Maximum Duty−Cycle (CS = 0, V
Internal Resistor (Note 4)
Ramp Compensation Sawtooth Amplitude
Opto Current Source (V
Pin 3 to Current Setpoint Division Ratio (Note 4)
Timeout before Validating Short−Circuit or PFC V
Latch−Off Level
CC
13.0
12.8
12.6
12.4
12.2
12.0
= 13 V, V
Figure 3. V
−50
−25
V
PIN8
CC
= 0 V
T
CC(OFF)
= 30 V unless otherwise noted.)
J
, JUNCTION TEMPERATURE (°C)
0
fb
= 0.75 V)
Threshold vs. Temperature
25
Characteristic
fb
50
= 2.5 V)
TYPICAL PERFORMANCE CHARACTERISTICS
(For typical values T
fb
75
= 2.5 V)
sw
V
(V
100
PIN8
CC
fb
Tj = −40°C to +125°C
Tj = −40°C to +125°C
Tj = −40°C to +125°C
(Note 4)
= 2.5 V) (Note 4)
= 30 V
Tj = 0°C to +125°C
Tj = 0°C to +125°C
Tj = 0°C to +125°C
125
http://onsemi.com
J
= 25°C, for min/max values T
150
Tj = 25°C
Tj = 25°C
Tj = 25°C
6
8.0
7.8
7.6
7.4
7.2
7.0
Figure 4. V
−50
Symbol
V
D
T
f
f
f
I
R
OSC
OSC
OSC
ratio
latch
DEL
max
−
−
−
−
up
−25
T
CC(min)
J
, JUNCTION TEMPERATURE (°C)
0
J
Pin
= −40°C to +125°C, Max T
−
−
−
−
−
−
3
3
2
−
−
3
Threshold vs. Temperature
25
Min
123
120
200
113
9.0
2.7
60
58
55
93
90
85
75
−
−
−
−
−
50
"6.4
Typ
100
133
235
125
5.0
2.3
2.8
3.0
65
80
18
75
−
−
−
−
−
−
V
100
J
PIN8
Max
= 150°C,
107
110
110
143
146
146
270
3.3
70
72
72
85
36
−
−
−
−
−
= 30 V
125
Unit
Vpp
kHz
kHz
kHz
ms
ms
kW
mA
%
%
V
−
150